12479689344 has 64 divisors (see below), whose sum is σ = 34218535680. Its totient is φ = 4025702400.

The previous prime is 12479689309. The next prime is 12479689357. The reversal of 12479689344 is 44398697421.

12479689344 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×12479689344² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 512277 + ... + 536084.

It is an arithmetic number, because the mean of its divisors is an integer number (534664620).

Almost surely, 2^12479689344 is an apocalyptic number.

It is an amenable number.

12479689344 is an abundant number, since it is smaller than the sum of its proper divisors (21738846336).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12479689344 is a wasteful number, since it uses less digits than its factorization.

12479689344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1048409 (or 1048397 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 57.

The spelling of 12479689344 in words is "twelve billion, four hundred seventy-nine million, six hundred eighty-nine thousand, three hundred forty-four".